Features App Remote Control:- Mobile app remote control to open or close curtain.- App Name: Tuya, Smart Life; Free App, Support Android and IOS. Voice Control: - Voice control the curtain switch ON/OFF by Alexa & Google Assistant at home. RF Remote Control: - You can use the remote control to open, pause or close the blinds.- Built in RF module, enable you can remote control your blinds shutter even if WiFi is not available. Motor Running Time Setting: The Running Time can be set from 1-120 seconds, suitable for the use of large blinds. Timer Function: You can set a timer to open or close the curtains at a specified time. Wall Switch Control: After you install this module, your wall manual switch still works, it can open, or close the shutter. Personalize Scene Settings: With Smart Life scene settings, you can flexibly set your curtain status according to sunrise, sunset or weather conditions. Group Control: You can create groups to batch control multiple curtain in your home through the group feature. Sharing Function: You can share the device to your family members for common use. Specification Input voltage: 100-250VAC, 50/60HzWiring: Neutral Wire, L1, L2, Earth WireMax Load: 300 WWireless Protocol: Wi-Fi 2.4 GHz 802.11 b / g / n (Not support 5Ghz Wi-Fi)RF Remote Frequency: 868Mhz(Legal Frequency Band in Europe)Standby Consumption: below 0.5WAPP Name: Smart Life or TuyaVoice Control: Google Assistant, Amazon AlexaPlastic Material: Fireproof ABS What's in the box? RF Remote Control(Depends on your choice)Roller Shutter Switch Module(Depends on your choice)Cable for WiringDouble-Sided TapeUser GuideLanyard